HexBug Bridge Battle Playset Reconfigurable set lets you create a variety of Nano homes. Go buggy with Hexbug Nano the micro-robotic creature that acts like a real bug! Habitat Set includes 2 extremely rare Nanos and everything you need to make them a happy home: 4 easy-connect curved pieces, 3 easy-connect straight pieces and 3 easy-connect hexagon pieces. Configure the pieces any way you like, then turn your Nanos loose to play! Real fun with real science. Nanos may look like bugs, but they re actually very cool little robots that use the physics of vibration to propel themselves along and explore their environment. Learn about the science of micro-robotics as you watch them run and skitter, flip over and pop back on their feet all in their own special habitat, custom-made by you! 1+"-long Nanos include batteries. Assembled habitat is 17" w x 14" l x 2+" h. Nanos use 1 AG13 button cell battery each (sold separately for $3). The Hexbug Nano Habitat Set from Brookstone is home-sweet-home for Nanos! Order yours today. Warning: Choking hazard small parts. Not for children under 3 years. Lowest Price - Too Low to Display Click to See!